#pragma once
#include "FloatRect.h"
#include "QualifiedName.h"
#include "SVGAttributeRegistry.h"
#include "SVGNames.h"
#include "SVGPreserveAspectRatio.h"
#include <wtf/HashSet.h>
namespace WebCore {
class AffineTransform;
class SVGFitToViewBox {
WTF_MAKE_NONCOPYABLE(SVGFitToViewBox);
public:
static AffineTransform viewBoxToViewTransform(const FloatRect& viewBoxRect, const SVGPreserveAspectRatioValue&, float viewWidth, float viewHeight);
using AttributeOwnerProxy = SVGAttributeOwnerProxyImpl<SVGFitToViewBox>;
static AttributeOwnerProxy::AttributeRegistry& attributeRegistry() { return AttributeOwnerProxy::attributeRegistry(); }
const FloatRect& viewBox() const { return m_viewBox.currentValue(m_attributeOwnerProxy); }
const SVGPreserveAspectRatioValue& preserveAspectRatio() const { return m_preserveAspectRatio.currentValue(m_attributeOwnerProxy); }
RefPtr<SVGAnimatedRect> viewBoxAnimated() { return m_viewBox.animatedProperty(m_attributeOwnerProxy); }
RefPtr<SVGAnimatedPreserveAspectRatio> preserveAspectRatioAnimated() { return m_preserveAspectRatio.animatedProperty(m_attributeOwnerProxy); }
void setViewBox(const FloatRect&);
void resetViewBox();
void setPreserveAspectRatio(const SVGPreserveAspectRatioValue& preserveAspectRatio) { m_preserveAspectRatio.setValue(preserveAspectRatio); }
void resetPreserveAspectRatio() { m_preserveAspectRatio.resetValue(); }
String viewBoxString() const { return m_viewBox.toString(); }
String preserveAspectRatioString() const { return m_preserveAspectRatio.toString(); }
bool hasValidViewBox() const { return m_isViewBoxValid; }
bool hasEmptyViewBox() const { return m_isViewBoxValid && viewBox().isEmpty(); }
protected:
SVGFitToViewBox(SVGElement* contextElement, AnimatedPropertyState = PropertyIsReadWrite);
static bool isKnownAttribute(const QualifiedName& attributeName) { return AttributeOwnerProxy::isKnownAttribute(attributeName); }
void reset();
bool parseAttribute(const QualifiedName&, const AtomicString&);
bool parseViewBox(const AtomicString& value, FloatRect& viewBox);
bool parseViewBox(const UChar*& start, const UChar* end, FloatRect& viewBox, bool validate = true);
private:
static void registerAttributes();
AttributeOwnerProxy m_attributeOwnerProxy;
SVGAnimatedRectAttribute m_viewBox;
SVGAnimatedPreserveAspectRatioAttribute m_preserveAspectRatio;
bool m_isViewBoxValid { false };
};
}